This is a reusable gray half-face gas mask, very similar to the 3M model 6200. Usage: Designed to protect against dust, particles, and organic vapors, it is suitable for painting, spraying, and carpentry work. Components: It consists of a soft silicone facepiece, adjustable head straps, and dual replaceable filters. Compatibility: Compatible with 3M 6000 series filters and particulate filters such as 5N11. The mask is new and unused.